Cryptology ePrint Archive: BibTeX Citation of Report 2012/273

@misc{cryptoeprint:2012:273,
    author = {Yun-Ju Huang and Feng-Hao Liu and Bo-Yin Yang},
    title = {Public-Key Cryptography from New Multivariate Quadratic Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2012/273},
    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.