Cryptology ePrint Archive: BibTeX Citation of Report 2014/508

@misc{cryptoeprint:2014:508,
    author = {Takeshi Sugawara and Daisuke Suzuki and Ryoichi Fujii and Shigeaki Tawa and Ryohei Hori and Mitsuru Shiozaki and Takeshi Fujino},
    title = {Reversing Stealthy Dopant-Level Circuits},
    howpublished = {Cryptology ePrint Archive, Report 2014/508},
    year = {2014},
    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.