Cryptology ePrint Archive: BibTeX Citation of Report 2015/694

@misc{cryptoeprint:2015:694,
    author = {Tore Kasper Frederiksen and Thomas P. Jakobsen and Jesper Buus Nielsen and Roberto Trifiletti},
    title = {On the Complexity of Additively Homomorphic UC Commitments},
    howpublished = {Cryptology ePrint Archive, Report 2015/694},
    year = {2015},
    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.