@misc{cryptoeprint:2015:123,
    author = {Dennis Hofheinz and Jessica Koch and Christoph Striecks},
    title = {Identity-based encryption with (almost) tight security in the multi-instance, multi-ciphertext setting},
    howpublished = {Cryptology ePrint Archive, Report 2015/123},
    year = {2015},
    url = {https://eprint.iacr.org/2015/123},
}