%% You should probably cite draft-kompella-mpls-special-purpose-labels instead of this I-D.
@techreport{kompella-mpls-reserved-labels-01,
    number =    {draft-kompella-mpls-reserved-labels-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-kompella-mpls-reserved-labels/01/},
    author =    {Kireeti Kompella},
    title =     {{Allocating and Retiring MPLS Reserved Labels}},
    pagetotal = 8,
    year =      2012,
    month =     sep,
    day =       28,
    abstract =  {There are a limited number of reserved labels defined for Multi- Protocol Label Switching. Thus one must be cautious in the allocation of new reserved labels, yet at the same time allow forward progress when a new reserved label is called for. This memo suggests some procedures to follow in the allocation and retirement of reserved labels.},
}