@misc{cryptoeprint:2016:959,
    author = {Shashank Agrawal and Venkata Koppula and Brent Waters},
    title = {Impossibility of Simulation Secure Functional Encryption Even with Random Oracles},
    howpublished = {Cryptology ePrint Archive, Report 2016/959},
    year = {2016},
    url = {https://eprint.iacr.org/2016/959},
}