Cryptology ePrint Archive: BibTeX Citation of Report 2013/179

@misc{cryptoeprint:2013:179,
    author = {Melissa Chase and Markulf Kohlweiss and Anna Lysyanskaya and Sarah Meiklejohn},
    title = {Malleable Signatures: Complex Unary Transformations and Delegatable Anonymous Credentials},
    howpublished = {Cryptology ePrint Archive, Report 2013/179},
    year = {2013},
    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.