Cryptology ePrint Archive: BibTeX Citation of Report 2014/120

@misc{cryptoeprint:2014:120,
    author = {Weijin Wang, Yu Qin, Dengguo Feng, Xiaobo Chu},
    title = {Automated Proof for Authorization Protocols of TPM 2.0 in Computational Model (full version)},
    howpublished = {Cryptology ePrint Archive, Report 2014/120},
    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.