@article{ Yao15,
  author = {L. Yao and J. Deng and J. Wang and G. Wu},
  title = {{A-CACHE}: an Anchor-based Public Key Caching Scheme in Large Wireless
Networks},
  journal = {Elsevier Computer Networks},
  volume = {87},
  number = {},
  pages = {78-88},
  month = {July},
  year = {2015}, 
  doi = {10.1016/j.comnet.2015.06.001} }