[Openvpn-devel] two tls-auth questions

[Mr Dash Four]

Is there a way to generate a symmetric ta.key without using "openvpn --genkey 
--secret ta.key"? 
Is it possible to embed the contents of the above file in my openvpn config 
file in a similar fashion as it is done with the <key></key> tag for example? 
If so, what tag should I use for this?