Cryptology ePrint Archive: BibTeX Citation of Report 2012/593

@misc{cryptoeprint:2012:593,
    author = {Tomoko Yonemura and Taichi Isogai and Hirofumi Muratani and Yoshikazu Hanatani},
    title = {Factor-4 and 6 (De)compression for Values of Pairings using Trace Maps},
    howpublished = {Cryptology ePrint Archive, Report 2012/593},
    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.