@misc{cryptoeprint:2013:614,
    author = {Douglas R. Stinson and Jalaj Upadhyay},
    title = {Is extracting data the same as possessing data?},
    howpublished = {Cryptology ePrint Archive, Report 2013/614},
    year = {2013},
    url = {https://eprint.iacr.org/2013/614},
}