@misc{cryptoeprint:2015:704,
    author = {Nir Bitansky and Vinod Vaikuntanathan},
    title = {Indistinguishability Obfuscation: from Approximate to Exact},
    howpublished = {Cryptology ePrint Archive, Report 2015/704},
    year = {2015},
    url = {https://eprint.iacr.org/2015/704},
}