Cryptology ePrint Archive: BibTeX Citation of Report 2009/199

@misc{cryptoeprint:2009:199,
    author = {Emmanuel Bresson and Anne Canteaut and Benoit Chevallier-Mames and Christophe Clavier and Thomas Fuhr and Aline Gouget and Thomas Icart and Jean-Francois Misarsky and Maria Naya-Plasencia and Pascal Paillier and Thomas Pornin and Jean-Rene Reinhard and Celine Thuillet and Marion Videau},
    title = {Indifferentiability with Distinguishers: Why Shabal\Does Not Require Ideal Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2009/199},
    year = {2009},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.