@misc{cryptoeprint:2013:500,
    author = {Ran Canetti and Vinod Vaikuntanathan},
    title = {Obfuscating Branching Programs Using Black-Box Pseudo-Free Groups},
    howpublished = {Cryptology ePrint Archive, Report 2013/500},
    year = {2013},
    url = {https://eprint.iacr.org/2013/500},
}