Cryptology ePrint Archive: BibTeX Citation of Report 2012/463

@misc{cryptoeprint:2012:463,
    author = {Xiang Xie and Rui Xue and Rui Zhang},
    title = {Deterministic Public Key Encryption and Identity-Based Encryption from Lattices in the Auxiliary-Input Setting},
    howpublished = {Cryptology ePrint Archive, Report 2012/463},
    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.