There's a paper wallet generator [https://github.com/todd1251/WalletGenerator.net/tree/ravencoin on github].
[https://paper.pocketraven.com/paper.pocketraven.com] - A universal open source client-side paper wallet generator for Ravencoin and many other coins - can be downloaded and run offline. Select Ravencoin from the coin list on the website.
[http://paperwallet.ravencoin.online paperwallet.ravencoin.online] - (Currently offline)