Cryptology ePrint Archive: BibTeX Citation of Report 2008/498

@misc{cryptoeprint:2008:498,
    author = {Anna Chen an Ming-Shing Chen and Tien-Ren Chen and Chen-Mou Cheng and Jintai Ding and Eric Kuo and Frost Li and Bo-Yin Yang},
    title = {Small Odd Prime Field Multivariate PKCs},
    howpublished = {Cryptology ePrint Archive, Report 2008/498},
    year = {2008},
    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.