EDIT: This is no longer the case, see Miguel Andres's answer
No, these are two completely different systems, so there is no way to exchange OAuth 1.0 credentials for OAuth 2.0 credentials.
With a little work, you can make new users go through the OAuth 2.0 stream and use the OAuth 2.0 credentials and slowly start migrating older users to use 2.0 in packages.
source share