%% You should probably cite draft-ietf-idr-flowspec-nvo3 instead of this I-D.
@techreport{hao-idr-flowspec-nvo3-00,
    number =    {draft-hao-idr-flowspec-nvo3-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-hao-idr-flowspec-nvo3/00/},
    author =    {Hao Weiguo and Shunwan Zhuang and Zhenbin Li},
    title =     {{Dissemination of Flow Specification Rules for NVO3}},
    pagetotal = 10,
    year =      2015,
    month =     jul,
    day =       6,
    abstract =  {This document defines BGP flow-spec extension for NVO3. A Flag in BGP Path Attribute is introduced to indicate the Flow-spec rules imposing on NVO3 outer or inner layer. A new subset of NVO3 specific component types and extended community also are defined.},
}