Cryptology ePrint Archive: BibTeX Citation of Report 2012/064

@misc{cryptoeprint:2012:064,
    author = {Arjen K. Lenstra and James P. Hughes and Maxime Augier and Joppe W. Bos and Thorsten Kleinjung and Christophe Wachter},
    title = {Ron was wrong, Whit is right},
    howpublished = {Cryptology ePrint Archive, Report 2012/064},
    year = {2012},
    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.