Cryptology ePrint Archive: BibTeX Citation of Report 2012/108

@misc{cryptoeprint:2012:108,
    author = {Yoshinori Aono and Manindra Agrawal and Takakazu Satoh and Osamu Watanabe},
    title = {On the Optimality of Lattices for the Coppersmith Technique},
    howpublished = {Cryptology ePrint Archive, Report 2012/108},
    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.