Cryptology ePrint Archive: BibTeX Citation of Report 2010/591

@misc{cryptoeprint:2010:591,
    author = {David Cash and Dennis Hofheinz and Eike Kiltz and Chris Peikert},
    title = {Bonsai Trees, or How to Delegate a Lattice Basis},
    howpublished = {Cryptology ePrint Archive, Report 2010/591},
    year = {2010},
    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.