Cryptology ePrint Archive: BibTeX Citation of Report 2012/345

@misc{cryptoeprint:2012:345,
    author = {Takuya Hayashi and Takeshi Shimoyama and Naoyuki Shinohara and Tsuyoshi Takagi},
    title = {Breaking pairing-based cryptosystems using $\eta_T$ pairing over $GF(3^{97})$},
    howpublished = {Cryptology ePrint Archive, Report 2012/345},
    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.