@misc{cryptoeprint:2013:698,
    author = {Xi-Jun Lin and Lin Sun},
    title = {Cryptanalysis and improvement of a dynamic and secure key management model for hierarchical heterogeneous sensor networks},
    howpublished = {Cryptology ePrint Archive, Report 2013/698},
    year = {2013},
    url = {https://eprint.iacr.org/2013/698},
}