%% You should probably cite draft-ietf-pce-dste instead of this I-D.
@techreport{sivabalan-pce-dste-01,
    number =    {draft-sivabalan-pce-dste-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-sivabalan-pce-dste/01/},
    author =    {Siva Sivabalan},
    title =     {{Diff-Serv Aware Class Type Object for Path Computation Element Communication Protocol}},
    pagetotal = 10,
    year =      2007,
    month =     jul,
    day =       9,
    abstract =  {This document specifies a CLASSTYPE object to support Diff-Serve Aware Traffic Engineering (DS-TE) where path computation is performed with an aid of Path Computation Element (PCE).},
}