What do you mean by "assets"? If you mean layer styles and that, simply save the presets using the flyout menus in the panels, then load them the same way in CS6.
Mylenium - He means the assets that are stored in the assets panel in Dreamweaver up to CS5.5. Seems to be another bit of useful utility that was dropped unannounced in CS6 upwards.
While the assets panel menu item still exists in the windows drop down, the assets along with snippets have all gone - greyed out. Lots of hard work lost forever!
Unless anyone else knows how to reastore them?