@misc{cryptoeprint:2015:220,
    author = {Dan Boneh and Kevin Lewi and Hart Montgomery and Ananth Raghunathan},
    title = {Key Homomorphic PRFs and Their Applications},
    howpublished = {Cryptology ePrint Archive, Report 2015/220},
    year = {2015},
    url = {https://eprint.iacr.org/2015/220},
}