@article{ Deng13-IJAHUC,
  author = {J. Deng and Y. S. Han},
  title = {Cooperative Secret Delivery in Wireless Sensor Networks},    
  journal = {International Journal of Ad Hoc and Ubiquitous Computing},
  volume = {},
  number = {},
  pages = {},
  month = {},
  year = {2013},
  note = {to appear} }