Cryptology ePrint Archive: BibTeX Citation of Report 2012/217

@misc{cryptoeprint:2012:217,
    author = {Itai Dinur and Orr Dunkelman and Nathan Keller and Adi Shamir},
    title = {Efficient Dissection of Composite Problems, with Applications to Cryptanalysis, Knapsacks, and Combinatorial Search Problems},
    howpublished = {Cryptology ePrint Archive, Report 2012/217},
    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.