There is no beecrypt-devel rpm on RHEL 3.0 beta1 CD.
*** Bug 101084 has been marked as a duplicate of this bug. ***
beecrypt-devel still seems to be missing in action in RHEL 3.0. Seems pointless to ship beecrypt without its devel package (and .la file).
beecrypt-devel is available in RHEL 3 Update 3 (and probably earlier update releases).