Cryptology ePrint Archive: BibTeX Citation of Report 2012/285

@misc{cryptoeprint:2012:285,
    author = {Masayuki Abe, Melissa Chase, Bernardo David, Markulf Kohlweiss, Ryo Nishimaki, Miyako Ohkubo},
    title = {Constant-Size Structure-Preserving Signatures: Generic Constructions and Simple Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2012/285},
    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.