@techreport{hietalahti00__key_estab_ad_networ,
  author = {Hietalahti, Maarit},
  title = {Key Establishment in Ad-hoc Networks},
  institution = {Helsinki University of Technology},
  year = {2000},
  note = {Accessed August 2002 http://www.tcm.hut.fi/Opinnot/Tik-110.501/2000/papers/abstract\_hietalahti.html}
}