Cryptology ePrint Archive: BibTeX Citation of Report 2011/209

@misc{cryptoeprint:2011:209,
    author = {Zvika Brakerski and Gil Segev},
    title = {Better Security for Deterministic Public-Key Encryption: The Auxiliary-Input Setting},
    howpublished = {Cryptology ePrint Archive, Report 2011/209},
    year = {2011},
    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.