%% You should probably cite draft-ietf-pce-gmpls-pcep-extensions instead of this I-D.
@techreport{margaria-pce-gmpls-pcep-extensions-01,
    number =    {draft-margaria-pce-gmpls-pcep-extensions-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-margaria-pce-gmpls-pcep-extensions/01/},
    author =    {Cyril Margaria and Oscar Gonzalez de Dios and Fatai Zhang},
    title =     {{PCEP extensions for GMPLS}},
    pagetotal = 29,
    year =      2010,
    month =     jul,
    day =       1,
    abstract =  {This memo provides extensions for the Path Computation Element communication Protocol (PCEP) for the support of GMPLS control plane.},
}