CADO-NFS is the result of a collaborative effort involving many
persons, over various periods of time. The current list of active
contributors can be extracted from the git repository available at
  git clone https://scm.gforge.inria.fr/anonscm/git/cado-nfs/cado-nfs.git
(check the authors of recent commit, using 'git log').

A tentative list of CADO-NFS authors is (alphabetical order):

Shi Bai
Razvan Barbulescu
Cyril Bouvier
Richard Brent
Christophe Clavier
Jérémie Detrey
Andreas Enge
Alain Filbois
Nuno Franco
Pierrick Gaudry
Laurent Grémy
Aurore Guillevic
Nadia Heninger
Laurent Imbert
Alexander Kruppa
Jérome Milan
François Morain
Lionel Muller
Thomas Prest
Thomas Richard
Emmanuel Thomé
Marion Videau
Paul Zimmermann


The recommended way to cite CADO-NFS in a scientific publication
is:
    The CADO-NFS Development Team.
    CADO-NFS, An Implementation of the Number Field Sieve Algorithm,
    Release 2.3.0, 2017, http://cado-nfs.gforge.inria.fr/
where the release number and date should be changed to correspond to
the version you actually used. If you used the development version, it is
a good idea to give the git revision number.

Bibtex entry:

@misc{cadonfs,
    author={The CADO-NFS Development Team},
    title={{CADO-NFS}, An Implementation of the Number Field Sieve
        Algorithm},
    note={Release 2.3.0},
    year={2017},
    url={http://cado-nfs.gforge.inria.fr/}
}