%% You should probably cite draft-ietf-idr-bgp-ext-com-registry instead of this I-D.
@techreport{cl-idr-bgp-ext-com-registry-update-01,
    number =    {draft-cl-idr-bgp-ext-com-registry-update-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-cl-idr-bgp-ext-com-registry-update/01/},
    author =    {Christoph Loibl},
    title =     {{BGP Extended Community Registries Update}},
    pagetotal = 5,
    year =      2020,
    month =     apr,
    day =       20,
    abstract =  {This document updates several BGP Extended Community registries in order to replace the "Experimental Use" registration procedure in some entries, since their use is clearly not experimental and thus misleading. This document updates RFC7153.},
}