Cryptology ePrint Archive: BibTeX Citation of Report 2006/336

@misc{cryptoeprint:2006:336,
    author = {Jintai Ding, Lei Hu, Xuyun Nie, Jianyu li, John Wagner},
    title = {High Order Linearization Equation (HOLE) Attack on Multivariate Public Key Cryptosystems},
    howpublished = {Cryptology ePrint Archive, Report 2006/336},
    year = {2006},
    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.