Cryptology ePrint Archive: BibTeX Citation of Report 2009/619

@misc{cryptoeprint:2009:619,
    author = {Charles Bouillaguet and Pierre-Alain Fouque and Antoine Joux and Joana Treger},
    title = {A Family of Weak Keys in HFE (and the Corresponding Practical Key-Recovery)},
    howpublished = {Cryptology ePrint Archive, Report 2009/619},
    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.