Cryptology ePrint Archive: BibTeX Citation of Report 2011/434

@misc{cryptoeprint:2011:434,
    author = {Payman Mohassel and Salman Niksefat and Saeed Sadeghian and Babak Sadeghiyan},
    title = {An Efficient Protocol for Oblivious DFA Evaluation and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2011/434},
    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.