%% You should probably cite rfc8614 instead of this I-D.
@techreport{ietf-bess-bgp-vpls-control-flags-07,
    number =    {draft-ietf-bess-bgp-vpls-control-flags-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-bess-bgp-vpls-control-flags/07/},
    author =    {Ravi Singh and Kireeti Kompella and Senad Palislamovic},
    title =     {{Updated processing of Control Flags for BGP VPLS}},
    pagetotal = 8,
    year =      2019,
    month =     mar,
    day =       7,
    abstract =  {This document updates the meaning of the Control Flags field in the Layer2 Info Extended Community used for BGP-VPLS NLRI as defined in RFC4761. This document updates RFC4761.},
}