Cryptology ePrint Archive: BibTeX Citation of Report 2012/514

@misc{cryptoeprint:2012:514,
    author = {Mihir Bellare and Kenneth G. Paterson and Susan Thomson},
    title = {RKA Security beyond the Linear Barrier: IBE, Encryption and Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2012/514},
    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.