@misc{cryptoeprint:2013:508,
    author = {Raluca Ada Popa and Nickolai Zeldovich},
    title = {Multi-Key Searchable Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2013/508},
    year = {2013},
    url = {https://eprint.iacr.org/2013/508},
}