Cryptology ePrint Archive: BibTeX Citation of Report 2012/080

@misc{cryptoeprint:2012:080,
    author = {S. Sree Vivek and S. Sharmila Deva Selvi and Guhan Balasubramanian and C. Pandu Rangan},
    title = {Strongly Unforgeable Proxy Re-Signatures in the Standard Model},
    howpublished = {Cryptology ePrint Archive, Report 2012/080},
    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.