Cryptology ePrint Archive: BibTeX Citation of Report 2012/515

@misc{cryptoeprint:2012:515,
    author = {Mihir Bellare and Adam O'Neill},
    title = {Semantically-Secure Functional Encryption: Possibility Results, Impossibility Results and the Quest for a General Definition},
    howpublished = {Cryptology ePrint Archive, Report 2012/515},
    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.