Reference for “P3P Guiding Principles”

@TechReport{Cranor:98:PGP,
  author      = "Lorrie Faith Cranor",
  title       = "{P3P} Guiding Principles",
  month       = jul,
  note        = "http://www.w3.org/TR/1998/NOTE-P3P10-principles-19980721",
  year        = "1998",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}