Cryptology ePrint Archive: BibTeX Citation of Report 2015/128

@misc{cryptoeprint:2015:128,
    author = {Takashi Yamakawa and Shota Yamada and Goichiro Hanaoka and Noboru Kunihiro },
    title = {Self-bilinear Map on Unknown Order Groups from Indistinguishability Obfuscation and Its Applications},
    howpublished = {Cryptology ePrint Archive, Report 2015/128},
    year = {2015},
    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.